Classifications

• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K7/00—Constructional details common to different types of electric apparatus
  • H05K7/14—Mounting supporting structure in casing or on frame or rack
  • H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
  • H05K7/1427—Housings
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K7/00—Constructional details common to different types of electric apparatus
  • H05K7/14—Mounting supporting structure in casing or on frame or rack
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04Q—SELECTING
  • H04Q1/00—Details of selecting apparatus or arrangements
  • H04Q1/02—Constructional details
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04Q—SELECTING
  • H04Q1/00—Details of selecting apparatus or arrangements
  • H04Q1/02—Constructional details
  • H04Q1/10—Exchange station construction
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K5/00—Casings, cabinets or drawers for electric apparatus
  • H05K5/02—Details
  • H05K5/03—Covers
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04Q—SELECTING
  • H04Q2201/00—Constructional details of selecting arrangements
  • H04Q2201/10—Housing details
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04Q—SELECTING
  • H04Q2201/00—Constructional details of selecting arrangements
  • H04Q2201/12—Printed circuits

Definitions

• Housing for holding printed circuit boards, the assembly of which forms at least part of a communication system
• the invention relates to a housing for accommodating printed circuit boards, the assembly of which forms at least parts of a communication system, with a housing cover and a connection area that is accessible from the outside, a main circuit board being attached between a base housing part and a cover part and in an expansion area
• Main circuit board plug devices are provided for at least one expansion circuit board.
• Housings for receiving printed circuit boards are known in various embodiments.
• the basic construction of the housing must be expandable for different terminal devices.
• the basic configuration of a telecommunications device can be designed for two SO exchange ports and four analog subscriber connections.
• the system should be modularly expandable for several system terminals.
• the expansion is carried out by installing additional analog and / or digital subscriber interfaces in the form of expansion cards which are connected to the main circuit board of the communication system.
• a connection space must be provided in the house, which the user can easily open in order to be able to connect his subscriber terminals to the communication system.
• Terminal devices of a telecommunication system are manufactured in large numbers and the housing has to be as simple and cheap to manufacture as possible.
• the invention is based on the object of specifying a housing of the present type in such a way that its manufacture is cheaper and is designed in such a way that the installation space for extension components is only accessible to authorized persons, whereas for the connection of system terminals the access to a connection area is available is possible in a simple manner.
• the extension area is covered by a first cover which is snapped onto the base part, the detachment of the snap connection requiring the use of a tool. Access to the extension room is therefore restricted to restricted to those who are authorized for service or maintenance work.
• für Stecko réelleen are hen vorgese ⁇ at a position adjacent to the connection area wall of the first cover. In an assembled state, these push-through openings correspond to plug-in devices on supplementary printed circuit boards which are plugged onto the main printed circuit board in the expansion area. Therefore, the connection of Sys ⁇ is temendgeraten from the outside possible.
• a housing design is preferred in which a second covering hood is provided to cover the connection area and can be detachably fastened to the base housing part by means of a snap connection. Releasing the snap connection requires no tools. The second cover can be removed from the basic housing part by simple handling.
• the base housing part has support parts protruding from the main printed circuit board. With this construction, the main circuit board is held between the support parts and the lowered cover part simply by clamping.
• plug-in devices are provided on the front side of the main circuit board, by means of which an electrical connection can be established with at least one second extension circuit board.
• This second expansion circuit board also has plug-in devices that are accessible from the connection area. This enables the subscriber line interfaces to be expanded in a simple manner.
• push-through openings are provided in a wall part of the first cover lying to the connection area, which are provided with a run-on slope.
• Starting slope is easier to put on the first cover and the distance to the connector of an expansion circuit board can be made narrower.
• the cover part, the first and / or second cover hood is produced by injection molding, preferably from a plastic.
• An attractive form of the housing is characterized in that the first and the second hood in a kon ⁇ centrally running for long central axis of the central region are curved convex.
• first cover and the second cover are flush with the side wall sections of the cover part.
• Figure 1 shows the housing according to the invention in an assembled state in a perspective view.
• Figure 2 shows the housing according to the invention of Figure 1, in which the second cover is removed and the connection space is visible.
• 3 shows the housing according to the invention from FIG. 2, in which the first cover hoods are drawn in a raised position.
• Figure 4 shows the inventive housing of Figure 1 in an exploded view.
• Figure 5 seen the first cover from the inside.
• FIG. 1 shows the housing 1 according to the invention in an assembled state.
• the housing contains electronic components of a telecommunication system. It consists in
• the housing cover 3 consists of a covering part 4, a first covering hood 5 and a second covering hood 6.
• the shape of the housing 1 is essentially shaped like a block in the assembled state.
• the cover part 4 and the two cover hoods 5 and 6 are grouped symmetrically to a longitudinal central axis 10.
• the housing 1 has a convexly curved front central surface 20 which runs concentrically to the longitudinal central axis 10.
• FIG. 2 shows the housing 1 m according to the invention
• connection area 11 Representation in which the second cover 6 is removed, as a result of which the connection area 11 can be seen.
• the connection ⁇ region 11 lie in an inlet of the front side of the housing jerk jumping profiled recess.
• Various plug devices 24, 32, 33 for the electrical connection of system terminals can be seen in the connection area 11.
• the illustration in FIG. 3 differs from the illustration in FIG. 2 in that the first cover 5 is shown in a raised position. This is the visible He ⁇ wide range approximately 12 to expansion boards 18th
• the recess of the cover part 4 continues in the extension area 12 and is broken through by plug openings 13.
• the plug openings 13 make plug devices 23 visible, which are attached to the main circuit board 8.
• Expansion boards 18 are inserted into the plug devices 23;
• the drawing in FIG. 3 shows, by way of example, four plugged-in expansion circuit boards 18.
• the expansion circuit boards 18 are held on a bottom edge in guides 19 of the cover part 4.
• Each expansion circuit board 18 has plug devices 24 on a side lying towards the connection space 11.
• the plug devices 24 are provided for the connection of end devices on the user side and are accessible from the connection space 11.
• FIG. 4 shows an exploded view of the housing 1 according to the invention.
• the communication system is now assembled in such a way that the main circuit board 8 is placed on a circumferential support edge 22 of the basic housing part 2 and the cover part 4 is placed thereon (the guide parts 7 serve to guide the PCB and the cover part 4 when assembling).
• the Detent springs 29 of the base part 2 deflected.
• the detent springs 29 snap into the cover member 4 in corresponding catch hooks.
• the first cover 5 is mounted, is mounted, the Einhangelasche 9 and using the compound 39 ( Figure 3) with the cover 4 connected.
• the locking connection 39 can be released again by the maintenance personnel of the communication system using a tool, for example a screwdriver.
• the installation space 12 (F ⁇ g3) of the expansion circuit boards 18 remains inaccessible to the user.
• the second cover 6 is assembled in a last step of the assembly. To this end, the cover 6 is pushed onto the connection area m in the direction of arrow 31 and connected to the cover part 4 by means of snap hooks 37 (FIG. 5). This takes place in the opposite direction and does not require any mechanical tools.
• the swivel latches 21 help to hook the hood 6. This construction allows the second cover 6 to be easily removed manually and the connection area to be easily accessible by the user.
• the rear wall of the base housing part 2 has notches 26 in the edge region, to which incoming and outgoing lines can be fastened, for example by cable ties.
• the keyhole-shaped recess 25 is used to mount the housing 1 on the wall.
• break-out parts can be provided which, depending on the expansion stage, are broken out of the openings.
• the exemplary embodiment shown has four slots for sub-modules, each of which has an accessible interface area. The fifth slot serves to accommodate a shorter module without an external interface.
• plug-in devices 17 are provided on the end of the main circuit board 8, by means of which the main circuit board 8 can be electrically connected to further extension circuit boards 28.
• These expansion circuit boards 28 are attached to the side of the main circuit board 8 and run essentially in the plane of the main circuit board surface 27. It can thus be expanded from an analog subscriber interface 32 in an expanded configuration to a digital subscriber interface 33 (FIG. 2).
• the housing according to the invention essentially consists of four parts which are joined to form a construction by means of snap or snap connections.
• the assembly is simple and possible in a comparatively short time.
• Elaborate connection means, such as screws, are eliminated.
• the plastic housing is very economical. All parts of the housing cover 3, Like the basic housing part, it can be manufactured inexpensively by injection molding.
• the invention is not restricted to use in a telecommunications system, but can also be used in other fields of electrical engineering for similar tasks.

Landscapes

• Engineering & Computer Science (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Computer Networks & Wireless Communication (AREA)
• Casings For Electric Apparatus (AREA)
• Mounting Of Printed Circuit Boards And The Like (AREA)
• Telephone Set Structure (AREA)

Priority Applications (7)

Applications Claiming Priority (2)

Publications (1)

Family

ID=34177400

Family Applications (1)

Country Status (11)

Families Citing this family (8)

Citations (2)

Family Cites Families (44)

• 2003
  • 2003-08-08 DE DE10336610A patent/DE10336610A1/de not_active Withdrawn
• 2004
  • 2004-06-07 BR BRPI0410827-2A patent/BRPI0410827A/pt not_active IP Right Cessation
  • 2004-06-07 RU RU2005127858/09A patent/RU2344567C2/ru active
  • 2004-06-07 JP JP2006500106A patent/JP4047902B2/ja not_active Expired - Fee Related
  • 2004-06-07 US US10/567,618 patent/US7903429B2/en active Active
  • 2004-06-07 CN CNB2004800037814A patent/CN100559890C/zh not_active Expired - Fee Related
  • 2004-06-07 DE DE502004005844T patent/DE502004005844D1/de not_active Expired - Lifetime
  • 2004-06-07 WO PCT/EP2004/006103 patent/WO2005025245A1/de active Application Filing
  • 2004-06-07 EP EP04739645A patent/EP1652389B1/de not_active Expired - Lifetime
  • 2004-06-07 KR KR1020067002651A patent/KR101062035B1/ko active IP Right Grant
  • 2004-06-30 TW TW093119273A patent/TWI252726B/zh not_active IP Right Cessation
• 2005
  • 2005-08-09 IL IL170171A patent/IL170171A/en unknown

Patent Citations (2)

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